51241244012533 has 8 divisors (see below), whose sum is σ = 55678091966720. Its totient is φ = 46978390095840.

The previous prime is 51241244012509. The next prime is 51241244012537. The reversal of 51241244012533 is 33521044214215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51241244012533 - 2⁵ = 51241244012501 is a prime.

It is a super-2 number, since 2×51241244012533² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51241244012492 and 51241244012501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51241244012537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43498508760 + ... + 43498509937.

It is an arithmetic number, because the mean of its divisors is an integer number (6959761495840).

Almost surely, 2^{51241244012533} is an apocalyptic number.

It is an amenable number.

51241244012533 is a deficient number, since it is larger than the sum of its proper divisors (4436847954187).

51241244012533 is a wasteful number, since it uses less digits than its factorization.

51241244012533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86997018747.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 51241244012533 its reverse (33521044214215), we get a palindrome (84762288226748).

The spelling of 51241244012533 in words is "fifty-one trillion, two hundred forty-one billion, two hundred forty-four million, twelve thousand, five hundred thirty-three".